Former prime minister Dr Mahathir Mohamad has dared Umno president Ahmad Zahid Hamidi to prove assertions that the former is not a Malay.<br /><br />The nonagenarian said he will also sue the Bagan Datuk MP if the latter does not apologise for making the defamatory claim.<br /><br />"I challenge Zahid to show proof that my identity as a Malay is in dispute.<br /><br />"If he does not apologise and retract the slander, I will take legal action," he said in a statement today.<br /><br />Mahathir was referring to remarks Zahid made in 2017 when, as home minister, he dredged up a purported copy of the former's identity card (IC), which stated his name as “Mahathir a/l Iskandar Kutty”.